21122283

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 35392000

約数和(自身を除く): 14269717

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1579, 1911, 4459, 4737, 11053, 13377, 20527, 33159, 61581, 77371, 143689, 232113, 431067, 541597, 1005823, 1624791, 3017469, 7040761, 21122283]

約数ペア:

[(1, 21122283), (3, 7040761), (7, 3017469), (13, 1624791), (21, 1005823), (39, 541597), (49, 431067), (91, 232113), (147, 143689), (273, 77371), (343, 61581), (637, 33159), (1029, 20527), (1579, 13377), (1911, 11053), (4459, 4737)]